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Square D QO2301021 - Shunt Trip Breaker 30A 2-Pole 120/240V

Square D
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The Square D QO2301021 is a 2-pole, 30A molded case circuit breaker from the QO Series, designed to provide thermal-magnetic overcurrent protection for branch circuits. It operates at 120/240V with a 10kA interrupting capacity at 240V and features a shunt trip mechanism for remote disconnection. This plug-in breaker measures 3.0 in (76 mm) x 2.2 in (57 mm) x 2.9 in (74 mm), weighs 0.9 lb, and accepts wire sizes from 14 AWG (Cu) to 8 AWG via pressure plate terminals. It is UL Listed and CSA Certified, compliant with industry standards for safety and performance. The breaker is intended for use in QO Load Centers and NQ Panelboards, supporting single-phase applications with long-time and instantaneous trip functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QO Series, Shunt Trip
  • Voltage Rating: 120/240V
  • Current Rating: 30A
  • Dimensions: 3.0 in (76 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection in QO Load Centers and NQ Panelboards
  • Switch Type: Shunt Trip
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240V
  • Amperage: 30A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Shunt Trip
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 8 AWG
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Plug-In
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 30A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Shunt Trip
  • Wire Size: 14 AWG (Cu) to 8 AWG
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Pressure plate
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: CSA Certified, UL Listed
  • Compatible Frames: QO Series
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: 100A/QO
  • Current Rating: 30A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901493952
  • GTIN: 00785901493952